add readme and .env files

.env.prod

@@ -0,0 +1,33 @@
+# ===========================================
+# Oil Customer Gateway - PRODUCTION Environment
+# ===========================================
+# CRITICAL: Use strong, unique values for all secrets!
+
+# Database Configuration
+POSTGRES_USERNAME=postgres
+POSTGRES_PASSWORD=CHANGE_ME_TO_YOUR_PROD_DB_PASSWORD
+POSTGRES_SERVER=192.168.1.204
+POSTGRES_PORT=5432
+POSTGRES_DBNAME=auburnoil
+
+# JWT Configuration
+# Generate with: python -c "import secrets; print(secrets.token_hex(32))"
+# IMPORTANT: Must be unique and at least 32 characters
+JWT_SECRET_KEY=CHANGE_ME_GENERATE_A_SECURE_KEY_FOR_PRODUCTION
+JWT_ALGORITHM=HS256
+# Short expiry for production security (30 minutes)
+JWT_ACCESS_TOKEN_EXPIRE_MINUTES=30
+
+# Authorize.Net (PRODUCTION credentials)
+AUTH_NET_API_LOGIN_ID=CHANGE_ME_TO_YOUR_PROD_LOGIN_ID
+AUTH_NET_TRANSACTION_KEY=CHANGE_ME_TO_YOUR_PROD_KEY
+
+# SMTP Configuration
+SMTP_SERVER=smtp.gmail.com
+SMTP_PORT=587
+SMTP_USERNAME=CHANGE_ME_TO_YOUR_EMAIL
+SMTP_PASSWORD=CHANGE_ME_TO_YOUR_APP_PASSWORD
+SMTP_FROM_EMAIL=CHANGE_ME_TO_YOUR_EMAIL
+
+# Frontend URL
+FRONTEND_URL=https://portal.auburnoil.com